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Extreme Pressure Polyurea-Based Grease

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SINOPEC Extreme Pressure Polyurea-based Grease 7417 is a high-performance grease which combines a superior quality mineral oil with a polyurea thickener. The thickener system provides a high dropping point, while additives impart optimum extreme-pressure and anti-oxidization properties, and outstanding protection against rust and corrosion. According to GB/T 7631.8-90(ISO6743/9-1987), it can be classified as follow: L-XBEHB1, L-XBEHB2.
Features & Benefits
· Excellent anti-wear and heavy load capability
· Outstanding resistance to water washing and corrosion
· Exceptional retention and resistance to high-temperature degradation
· Prolonged service life
Specification
· Grease 7417 meets the requirements of specification Q/SH 303.222-2004.
Applications
· Grease 7417 is designed for the lubrication for various heavy-load bearings worked at high temperature. It is particularly recommended for applications such as large blower fan bearings, hot shaking sieve bearings, rolling mill bearings etc
· Suitable operation temperature ranged from -20ºC to +160ºC
Typical Properties

Item

7417

Test Methods


2

1
Appearance

Yellow to brown smooth buttery

Eye View
1/4 Penetration(60 strokes),0.1mm

68

80

GB/T269
Evaporation Loss(150ºC,1h),wt%

0.8

1.0

SH/T0337
Oil Bleeding,%(m/m)

2.5



GB/T392
Apparent Viscosity(-10ºC,10s-1),Pa.s

1000

800

SH/T0048
Dropping Point,ºC

258

GB/T3498
Load Capability Weld load PD ,N

4900

GB/T 3142
Corrosion Test(T2Cu, 100ºC, 3h),method B

pass

GB/T7326

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